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University of Toronto

1. Ford, Heather Nicole. Nitric Oxide Changes in Gingival Crevicular Fluid Following Orthodontic Force Application.

Degree: 2013, University of Toronto

Nitric oxide (NO) plays a role in regulating the rate of orthodontic tooth movement (OTM) in rat models; however, in humans this role remains less clear. In this study, samples of gingival crevicular fluid (GCF) were collected from each maxillary central incisor and first and second molar immediately before (T0), 1 hour after (T1), and 3-4 days after (T2) application of light orthodontic forces in thirteen male participants (ages 11-18 years) undergoing orthodontic therapy. NO levels were measured in each GCF sample, and significantly higher NO levels (p<0.05) were found at T1 at the buccal surfaces of the central incisors when compared to the posterior teeth. The results indicate a possible role for NO in OTM at the pressure sites of incisors at early time points. Further studies are required to determine whether NO levels in the PDL of human teeth are affected by the magnitude of an applied force.

MAST

Advisors/Committee Members: Gong, Siew-Ging, Dentistry.

Subjects/Keywords: gingival crevicular fluid; griess reaction; GCF; orthodontic force application; nitric oxide; 0567

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6th Edition):

Ford, H. N. (2013). Nitric Oxide Changes in Gingival Crevicular Fluid Following Orthodontic Force Application. (Masters Thesis). University of Toronto. Retrieved from http://hdl.handle.net/1807/42838

Chicago Manual of Style (16th Edition):

Ford, Heather Nicole. “Nitric Oxide Changes in Gingival Crevicular Fluid Following Orthodontic Force Application.” 2013. Masters Thesis, University of Toronto. Accessed May 07, 2021. http://hdl.handle.net/1807/42838.

MLA Handbook (7th Edition):

Ford, Heather Nicole. “Nitric Oxide Changes in Gingival Crevicular Fluid Following Orthodontic Force Application.” 2013. Web. 07 May 2021.

Vancouver:

Ford HN. Nitric Oxide Changes in Gingival Crevicular Fluid Following Orthodontic Force Application. [Internet] [Masters thesis]. University of Toronto; 2013. [cited 2021 May 07]. Available from: http://hdl.handle.net/1807/42838.

Council of Science Editors:

Ford HN. Nitric Oxide Changes in Gingival Crevicular Fluid Following Orthodontic Force Application. [Masters Thesis]. University of Toronto; 2013. Available from: http://hdl.handle.net/1807/42838

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